Patent
   D862673
Priority
Jun 14 2018
Filed
Jun 14 2018
Issued
Oct 08 2019
Expiry
Oct 08 2034
Assg.orig
Entity
unknown
62
32
n/a
The ornamental design for an air purifier, as shown and described.

FIG. 1 is a perspective view showing the new design for an air purifier;

FIG. 2 is a front view thereof, a rear view being a mirror image thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The portions of the air purifier in FIGS. 1-4 and 6 shown in broken lines are included to show features that form no part of the claimed design.

Tang, Xinchun, Cao, Zijing

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Oct 25 2016TANG, XINCHUN3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0484020186 pdf
Jun 14 20183M Innovative Properties Company(assignment on the face of the patent)
Feb 15 2019CAO, ZIJING3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0484020186 pdf
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